Manufacturing And Production Technology
Which of the following statement is wrong as regard to down milling?

The surface milled appears to be slightly wavy.
It can not be used on old machines due to backlash between the feed screw of the table and the nut.
The chips are disposed off easily and do not interfere with the cutting.
The coolant can be poured directly at the cutting zone where the cutting force is maximum.

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Manufacturing And Production Technology
Side rake angle of a single point cutting tool is the angle

By which the face of the tool is inclined sideways
Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool
Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
By which the face of the tool is inclined towards back

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